“The more effective an arm is for the purposes for which a militia would require arms, the harder it should be to argue that its effectiveness somehow removes it from constitutional protection.” [More]
The Framers knew that and we know that. The tyranny-minded who want to ban them know that, too.
Let’s keep one thing clear. Our opponents know exactly what the Second Amendment says and why. They just fundamentally disagree with both.
As for us being able to reach across the aisle and find common ground to solve the gun violence problem, don’t get your hopes up. Franklin never did reconcile with his son after the Revolutionary War, and with good reason.
The 180 degree out of phase disparity behind fundamental beliefs likely make such cooperation impossible.